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  • Perplex
    IB Math AASL
    /
    2D & 3D Geometry
    /

    Problem Bank

    [Maximum mark: 4]

    The following diagram shows part of the graph of

    ​
    y=f(x)=−2x2+12x,
    ​

    and the shaded region ​R​ which lies between ​x=0​ and ​x=3, bounded by the parabola and the ​x​-axis.

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    1. Calculate the area of ​R.

      [2]

    The points ​A=(0,0),B=(3,18),C=(h,0)​ form a triangle with area ​R.

    1. Determine the value of ​h.

      [2]

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